What's a good iOS game for when I need something simple to help me unwind and de-stress after a long day?

After a day of sessions, I sometimes need a way to gently shift my focus. Helix Jump is mindfully designed in that way. The gameplay is repetitive enough to be soothing, but still requires enough attention to keep my mind from racing. The visual aspect is also appealing; the colors are calming, and the falling ball is almost meditative to watch. Plus, it doesn't seem to be overly aggressive with notifications, which I appreciate. It respects boundaries, which is important to me. It's a thoughtful approach to a mobile game, and I find it helps me track patterns without being invasive, and encourages healthy usage patterns for me.